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9 May, 01:40

What is Thomas edisons contribution to humanity

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  1. 9 May, 04:41
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    Making the light bulb and other very smart inventions that he made.
  2. 9 May, 05:24
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    Thomas Edison's Contributions: He invented the electric locomotive, phonograph, electric pen and copying system, kinetoscope, improved the telephone and improved the stock ticker and most importantly he invented the electric light bulb.
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